Method: 1. Open ppt, click "Insert" in the menu bar, and then click "Text Box"; 2. Select the text box, right-click, and click "Size and Position"; 3. Adjust the size and thickness Finally, click the "Paint Bucket" icon; 4. Select red and click "Close".

Method:
As shown in the picture, I need to use a red dotted box to mark the red area in the picture Content, how to operate it

First click the Insert menu and insert the text box

As shown in the column Draw a text box on the top of the picture. Don’t worry that the text box is too small to contain the content. Then look down.

Select the text box, right-click the mouse, and select in the pop-up menu Select Adjust Size and Position

Adjust the height and width of the text box so that the text box column content

click the line Type, change the dash type to dashed line, as shown in the figure

Adjust the line color to red

If you feel the line is too thin, you can also thicken the line width

Finally you’re done

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